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2026-03-09 - 19:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Mar 09, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11222214283,7sleep00-21swapper/007:08:300
11302212766,7sleep30-21swapper/307:09:323
110322119107,8sleep20-21swapper/207:06:022
109712115105,6sleep10-21swapper/107:05:251
188962690,0sleep10-21swapper/110:05:181
188962690,0sleep10-21swapper/110:05:181
180012600,1sleep30-21swapper/310:35:123
297362590,0sleep10-21swapper/112:10:171
15192590,0sleep21524-21kthreadcore09:50:172
1151899290,2cyclictest0-21swapper/209:35:122
1151899271,25cyclictest0-21swapper/209:00:162
1151899270,26cyclictest0-21swapper/209:05:392
1151299270,26cyclictest0-21swapper/010:17:040
11518992618,7cyclictest749-21snmpd07:57:492
11518992617,8cyclictest749-21snmpd08:15:272
1151899260,25cyclictest0-21swapper/211:43:232
1151899260,25cyclictest0-21swapper/207:18:122
11518992518,6cyclictest749-21snmpd07:33:432
11518992517,7cyclictest749-21snmpd10:03:202
1151899250,24cyclictest0-21swapper/207:35:212
11512992523,2cyclictest0-21swapper/008:41:220
11518992422,2cyclictest0-21swapper/211:50:332
11518992422,2cyclictest0-21swapper/210:45:472
11518992417,6cyclictest749-21snmpd11:32:352
11518992416,7cyclictest749-21snmpd11:47:112
11518992416,7cyclictest749-21snmpd11:07:472
11518992416,7cyclictest749-21snmpd08:33:582
1151899240,23cyclictest0-21swapper/209:15:552
1151899240,23cyclictest0-21swapper/208:47:542
1151899240,1cyclictest0-21swapper/209:10:492
1151499241,22cyclictest0-21swapper/109:21:281
11518992321,2cyclictest0-21swapper/210:11:112
11518992317,5cyclictest749-21snmpd10:33:562
11518992316,6cyclictest749-21snmpd12:17:422
11518992316,6cyclictest749-21snmpd07:28:132
11518992315,7cyclictest749-21snmpd10:35:112
11518992315,7cyclictest749-21snmpd07:48:572
11518992314,8cyclictest749-21snmpd12:22:322
11518992313,8cyclictest749-21snmpd11:15:232
1151899231,21cyclictest0-21swapper/210:40:172
1151899230,22cyclictest0-21swapper/212:31:442
1151899230,22cyclictest0-21swapper/207:21:032
1151499231,21cyclictest0-21swapper/109:18:211
1151899227,12cyclictest26694-21/usr/sbin/munin07:50:192
11518992219,2cyclictest749-21snmpd09:29:102
11518992215,6cyclictest749-21snmpd11:00:532
11518992214,7cyclictest749-21snmpd10:06:562
11518992214,7cyclictest749-21snmpd10:06:562
11518992214,7cyclictest749-21snmpd09:46:072
11518992214,7cyclictest749-21snmpd09:32:042
1151899221,3cyclictest0-21swapper/208:14:402
11518992213,8cyclictest749-21snmpd11:56:082
1151899220,21cyclictest0-21swapper/210:20:472
1151899220,21cyclictest0-21swapper/209:55:322
1151899220,10cyclictest0-21swapper/212:00:232
1151499221,3cyclictest0-21swapper/110:13:321
1151499221,20cyclictest0-21swapper/107:49:241
1151499220,21cyclictest0-21swapper/111:57:021
1151499220,21cyclictest0-21swapper/111:36:571
1151499220,21cyclictest0-21swapper/108:07:041
1151499220,21cyclictest0-21swapper/107:26:251
1151499220,20cyclictest0-21swapper/108:27:391
11512992221,1cyclictest0-21swapper/009:00:150
1151299220,16cyclictest0-21swapper/007:43:190
11518992117,3cyclictest749-21snmpd08:51:282
11518992115,5cyclictest749-21snmpd08:26:242
11518992114,6cyclictest749-21snmpd09:23:462
11518992113,7cyclictest749-21snmpd08:41:032
1151899210,3cyclictest0-21swapper/208:02:062
1151899210,20cyclictest0-21swapper/210:25:212
1151899210,20cyclictest0-21swapper/209:40:412
1151899210,13cyclictest0-21swapper/212:12:542
11514992119,2cyclictest0-21swapper/110:21:171
11514992117,3cyclictest0-21swapper/110:02:081
11514992117,3cyclictest0-21swapper/107:10:051
1151499211,19cyclictest0-21swapper/109:50:561
1151499210,3cyclictest0-21swapper/110:36:081
1151499210,3cyclictest0-21swapper/110:16:141
1151499210,2cyclictest0-21swapper/112:33:321
1151499210,2cyclictest0-21swapper/111:25:441
1151499210,20cyclictest0-21swapper/112:22:381
1151499210,20cyclictest0-21swapper/112:05:081
1151499210,20cyclictest0-21swapper/112:01:061
1151499210,20cyclictest0-21swapper/111:50:351
1151499210,20cyclictest0-21swapper/111:46:021
1151499210,20cyclictest0-21swapper/111:42:051
1151499210,20cyclictest0-21swapper/111:14:441
1151499210,20cyclictest0-21swapper/111:08:531
1151499210,20cyclictest0-21swapper/111:01:531
1151499210,20cyclictest0-21swapper/110:51:531
1151499210,20cyclictest0-21swapper/110:48:381
1151499210,20cyclictest0-21swapper/110:44:591
1151499210,20cyclictest0-21swapper/109:45:381
1151499210,20cyclictest0-21swapper/109:40:051
1151499210,20cyclictest0-21swapper/109:37:021
1151499210,20cyclictest0-21swapper/108:59:491
1151499210,20cyclictest0-21swapper/108:45:311
1151499210,20cyclictest0-21swapper/108:42:041
1151499210,20cyclictest0-21swapper/108:19:131
1151499210,20cyclictest0-21swapper/107:55:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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